An Output-based Distributed Observer and Its Application

In this paper, we first extend an existing stability result for a class of linear switched systems. This extended result leads to an output-based distributed observer for a leader system subject to directed and jointly connected switching networks. As an application of this output-based distributed observer, we solve the cooperative output regulation problem for a linear multi-agent system subject to jointly connected switching networks by composing a purely decentralized control law and the output-based distributed observer based on the certainty equivalence principle.